body {
    background-color: #f3f4f6;
    padding: 16px;
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.toggle-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: white;
    padding: 24px 32px;
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

.toggle-container label {
    color: #374151;
    font-weight: 500;
}

.toggle-switch {
    position: relative;
    width: 88px;
    height: 32px;
    margin-left: 16px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch label {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #d1d5db;
    border-radius: 24px;
    transition: background-color 0.3s;
}

.toggle-switch label:before {
    position: absolute;
    content: "";
    height: 28px;
    width: 28px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    border-radius: 50%;
    transition: transform 0.3s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle-switch input:checked+label {
    background-color: #3b82f6;
}

.toggle-switch input:checked+label:before {
    transform: translateX(32px);
}
.import-export-container {
    display: flex;
    gap: 10px;
    margin: 16px 0 0 0;
    justify-content: center;
}
#importBtn, #exportBtn {
    padding: 6px 16px;
    background: #2196F3;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: background-color 0.2s;
}
#importBtn:hover, #exportBtn:hover {
    background: #1976D2;
}